#E5F55B#E5F55B

#E5F55B is a very light, vivid yellow. Relative luminance 0.827; OKLCH L 93.0% C 0.175 H 114.9°. Best body text is #000000 at 17.54:1 contrast (WCAG AA passes).

Color values

HEX	#E5F55B
RGB	rgb(229, 245, 91)
HSL	hsl(66, 89%, 66%)
HSV	hsv(66, 63%, 96%)
CMYK	cmyk(6.5%, 0%, 62.9%, 3.9%)
CIE-LAB	lab(92.89, -24.69, 69.78)
CIE-LCH	lch(92.89, 74.02, 109.49°)
OKLab	oklab(93.02% -0.0736 0.1585)
OKLCH	oklch(93.02% 0.175 114.9)
XYZ	xyz(66.8554, 82.7192, 22.3400)
Luminance	0.8272 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5F55B #6B5BF5

analogous

#F5B85B #E5F55B #98F55B

triadic

#E5F55B #5BE5F5 #F55BE5

tetradic

#E5F55B #5BF5B8 #6B5BF5 #F55B98

square

#E5F55B #5BF5B8 #6B5BF5 #F55B98

split-complementary

#E5F55B #5B98F5 #B85BF5

monochromatic

#B6C90C #DCF121 #E5F55B #EEF995 #F7FCCE

Accessibility & contrast

On white

1.20

#E5F55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.54

#E5F55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5F55B

17.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5F55B	#FFFFFF	#000000	##000000
##E5F55B	1.00	1.20	17.54	17.54
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.54	21.00	1.00	1.00
##000000	17.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE947

Deuteranopia (green-blind)

#FFEC65

Tritanopia (blue-blind)

#F3E8D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e5f55b;
/* rgb */ color: rgb(229, 245, 91);
/* oklch */ color: oklch(93.0% 0.175 114.9);

Tailwind

colors: {
  custom: {
    50: '#f0f890',
    500: '#e5f55b',
    950: '#000000',
  },
}

SCSS

$custom: #e5f55b;
$custom-light: #f0f890;
$custom-dark: #000000;

JSON

{
  "hex": "#e5f55b",
  "rgb": {
    "r": 229,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 66.234,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.93022,
    "c": 0.17476,
    "h": 114.9
  },
  "luminance": 0.82718
}

Semantic roles & 50–950 ramp

primary

#E5F55B

secondary

#3E2EC6

accent

#00E518

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5F55B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →